Shares of Adani Transmission fell 7.72 per cent to close at Rs 179.85 on the BSE. Besides, Adani Enterprises plunged 7.24 per cent to settle at Rs 172.40.
In addition, scrip of Adani Ports & SEZ tanked by 6.53 per cent to settle the day at Rs 377.45, while Adani Power declined 6.6 per cent to close at Rs 27.60.
Following the decline at the counters, the market capitalisation of the companies eroded by more than Rs 9,300 crore collectively.
"There are a number of things he is getting away with and nobody is questioning him. It may become an embarrassment for the government as he portrays himself as close to it," he claimed.
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Reacting to Swamy's comments, the Adani Group had issued a statement saying it has a history of implementing world-scale infrastructure projects within a short time and the lowest cost quartile.
"Capital intensive projects necessarily require debt capital," it said.
"The singular critical test for debt is its regular servicing-something which the Adani Group has implemented diligently, since its inception," it had said.